Make Dial Up Networking faster

 People are analogous. By nature we communicate the same way. When we talk its in continuous  tones that rise and fall until we stop talking. If peoples voices are converted into a picture we can  see, the picture would resemble waves. That is an analog signal.

 Computers are digital. Computers don't have vocal chords. They can't process information via  vibrating eardrums. What computers do have are millions and millions of very small switches.  Everyone of these switches at any given time are either on or off.  If a switch is off its defined  numerically with a 0.  If a switch is on its defined numerically with a 1. Computers talk to each  other by turning switches on and off. That is a digital signal. If  people talked to each other digitally  it would sound something like morse code.
 
 In order for one computer to talk with another over an analog telephone line it has to convert its  digital signal to an analog signal. Once the analog signal has traveled over the telephone line it  needs to be converted back into a digital signal. The device that handles these conversions is
 called a modem.

 There is a limit as to how much electric power is used to transmit analog signals over conventional  telephone lines. The federal communications commission imposed a power limit to prevent a  phenomenon known as "cross talk".  If you've ever talked on the phone and heard someone else  faintly talking or a faxtone in the background, thats cross talk. If too much  power were used  during data transmission , "cross talk" would increase between adjacent  phone lines. As a result  additional erroneous data would be created during  transmission and  defeat the purpose of
 increasing signal strength to achieve a higher connection speed. This  signal to noise ratio is known  as Shannon's limit.  Assuming all computers, modems, telephone  lines etc are working flawlessly,  Shannon's limit for computers communicating  with each other over a dial up network is 53.3k.
 
 Therein lies another problem. Nothing works flawlessly especially a dial up connection. There are  always other factors beyond control that influence dial up connection speed. The act of  transmitting data over a phone line will create line noise. Converting data from analog to digital  creates line noise. Overall phone line quality, if they are cracked or wet. The distance you live  from the local telephone exchange.When a computer dials up to an  Internet service provider they  negotiate then agree (known as a "handshake") to a connection  speed based on existing  line  conditions . Computers will lower their connection speed to create a more stable connection  rather than a fast one. This is why dial up connection speed is what it is.